EQT-1616-3G-C-C
EQT 12G/3G/HD Router
Page 6
10/100:
This amber LED is ON when a 100Base-TX link is last detected. The
LED is OFF when a 10Base-T link is last detected (the LINK LED is
ON). Upon power-up the LED is OFF as the last detected rate is not
known and therefore defaults to the 10Base-T state until rate detection
is completed.
LN/ACT:
This dual-purpose green LED indicates that the EQT has established
a valid linkage to its hub, and whether the EQT is sending or receiving
data. This LED will be ON when the EQT has established a good link
to its supporting hub. This gives you a good indication that the
segment is wired correctly. The LED will be OFF if there is no valid
connection.
2.3.4. GPI and GPO
There are two 8-pin Phoenix connectors on the EQT’s rear. Each connector has programmable General
Purpose Inputs (GPI) and Programmable General Outputs (GPO) as shown in Table 2-4 and Table 2-6.
The GPIs are Opto-isolated inputs that can be powered from an external source or from the frame as
depicted in Figure 2-2.
The GPOs are relay contacts that are normally closed when the power to the router is off as detailed in
Pin #
Name
Description
1
VEXT
External voltage input power opto-isolators
2
GND
Router chassis ground
3
VINT
Pro5 volts output from router
4
GPI1
General Purpose Input 1
5
GPI2
General Purpose Input 2
6
GPI3
General Purpose Input 3
7
GPI4
General Purpose Input 4
8
GND
Router chassis ground
Table 2-4 : GPI Connector Pin-out
Maximum GPI Voltage
+24 Volts DC
Voltage to Turn GPI on >+2.0 Volts DC
Voltage to Turn GPI off < +1.0 Volts DC
GPI Current Limiting
~15mA
Table 2-5 : Rear GPI Electrical Specifications
Содержание EQT-1616-3G-C
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